Home / 37,970.45-52,388.70-21,836.88

Finding the Fourth Proportional to 37,970.45, 52,388.70 and 21,836.88

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Solution

The fourth proportional to 37,970.45, 52,388.70 and 21,836.88 is: 30,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,970.45 : 52,388.70 = 21,836.88 : x
  2. Step 2: Convert to fraction form
    37,970.45/52,388.70 = 21,836.88/x
  3. Step 3: Cross multiply
    37,970.45x = 52,388.70 × 21,836.88
  4. Step 4: Simplify right side
    37,970.45x = 1,144,005,755.26
  5. Step 5: Solve for x
    x = 1,144,005,755.26/37,970.45
  6. Step 6: Final answer
    x = 30,128.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.